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    • 61. 发明申请
    • MULTI-COLUMN ADDRESSING MODE MEMORY SYSTEM INCLUDING AN INTEGRATED CIRCUIT MEMORY DEVICE
    • 包括集成电路存储器件的多字段寻址模式存储器系统
    • US20080062807A1
    • 2008-03-13
    • US11853708
    • 2007-09-11
    • Frederick WareLawrence LaiChad BellowsWayne Richardson
    • Frederick WareLawrence LaiChad BellowsWayne Richardson
    • G11C8/00
    • G11C8/10G11C8/12G11C8/16
    • A memory system includes a master device, such as a graphics controller or processor, and an integrated circuit memory device operable in a dual column addressing mode. The integrated circuit memory device includes an interface and column decoder to access a row of storage cells or a page in a memory bank. During a first mode of operation, a first row of storage cells in a first memory bank is accessible in response to a first column address. During a second mode of operation, a first plurality of storage cells in the first row of storage cells is accessible in response to a second column address during a column cycle time interval. A second plurality of storage cells in the first row of storage cells is accessible in response to a third column address during the column cycle time interval. The first and second pluralities of storage cells are concurrently accessible from the interface.
    • 存储器系统包括主设备,诸如图形控制器或处理器,以及以双列寻址模式可操作的集成电路存储器件。 集成电路存储器件包括一个接口和列解码器,以访问一行存储单元或存储体中的一页。 在第一操作模式期间,响应于第一列地址可访问第一存储体中的第一行存储单元。 在第二操作模式期间,响应于列周期时间间隔期间的第二列地址,可访问第一行存储单元中的第一多个存储单元。 响应于列周期时间间隔期间的第三列地址,可访问第一行存储单元中的第二多个存储单元。 第一和第二多个存储单元可以从该接口同时访问。
    • 63. 发明申请
    • Method and apparatus for controlling a read valid window of a synchronous memory device
    • 用于控制同步存储器件的读取有效窗口的方法和装置
    • US20050005056A1
    • 2005-01-06
    • US10893206
    • 2004-07-16
    • Frederick Ware
    • Frederick Ware
    • G11C7/10G11C11/4076G11C11/4093G11C11/4096H04L7/00
    • G11C7/1066G11C7/1051G11C7/1072G11C11/4076G11C11/4093G11C11/4096
    • A method and apparatus are shown for increasing a propagation delay that may be tolerated between a memory controller and a memory device. The present invention provides for selection between two data paths for each word, where a first data path latches the data word from a DQS domain on a falling edge of a CLK0 domain and a second data patch latches the data word from the DQS domain on a rising edge of the CLK0 domain. Selection of the first data path permits larger relative propagation delays between the controller and memory to be accommodated without loss of data. Further, multi-cycle source synchronous timing logic may be employed that provides for the capture of data words on rising and falling edges of successive cycles of the DQS domain and storage for an additional cycle of the DQS domain to extend the period of time that each data word from the DQS domain is available and valid for the CLK0 domain. Selection of the first data path may also be used to accommodate shorter relative propagation delays between the controller and memory without loss of data when the propagation delay is short enough that the data from the memory is valid in advance of a first falling edge of the CLK0 domain by a margin that is at least a set-up time interval for the controller.
    • 示出了用于增加可在存储器控制器和存储器件之间容许的传播延迟的方法和装置。 本发明提供了用于每个字的两个数据路径之间的选择,其中第一数据路径在CLK0域的下降沿上锁存来自DQS域的数据字,而第二数据块在第一数据路径上将来自DQS域的数据字锁存在 CLK0域的上升沿。 选择第一数据路径允许在不损失数据的情况下容纳控制器和存储器之间较大的相对传播延迟。 此外,可以采用多周期源同步定时逻辑,其提供在DQS域的连续周期的上升沿和下降沿上的数据字的捕获以及用于DQS域的附加周期的存储以延长每个 来自DQS域的数据字可用于CLK0域。 当传播延迟足够短使得来自存储器的数据在CLK0的第一下降沿之前有效时,第一数据路径的选择也可用于适应控制器和存储器之间较短的相对传播延迟,而不会丢失数据 域至少为控制器的设置时间间隔。
    • 64. 发明授权
    • Techniques for multi-wire encoding with an embedded clock
    • 使用嵌入式时钟进行多线编码的技术
    • US08649460B2
    • 2014-02-11
    • US12663230
    • 2008-06-04
    • Frederick WareJade Kizer
    • Frederick WareJade Kizer
    • H04L27/00
    • H03M5/16G11C7/1066G11C7/1093G11C7/222H03K3/356026H03K19/01855H03M5/20H04L25/0272H04L25/4906H04L25/4917
    • Techniques for multi-wire encoding with an embedded clock are disclosed. In one particular exemplary embodiment, the techniques may be realized as a transmitter component. The transmitter component may comprise at least one encoder module to generate a set of symbols, each symbol being represented by a combination of signal levels on a set of wires. The transmitter component may also comprise at least one signaling module to transmit one or more of the symbols over the set of wires according to a transmit clock. The transmitter component may additionally comprise control logic to restrict transmission of first and second subsets of the set of symbols to respective first and second portions of a clock cycle of the transmit clock, such that a signal differential among at least two of the set of wires exhibits a switching behavior that has a same frequency as the transmit clock.
    • 公开了一种具有嵌入式时钟的多线编码技术。 在一个特定的示例性实施例中,这些技术可以被实现为发射器部件。 发射机组件可以包括至少一个编码器模块以产生一组符号,每个符号由一组线路上的信号电平的组合表示。 发射机组件还可以包括至少一个信令模块,用于根据传输时钟在一组线路上传输一个或多个符号。 发射机组件可以另外包括控制逻辑,以将该组符号的第一和第二子集的发射限制到发射时钟的时钟周期的相应第一和第二部分,使得在该组线中的至少两个之间的信号差分 表现出与发送时钟频率相同的开关行为。
    • 69. 发明申请
    • Multi-column addressing mode memory system including an integrated circuit memory device
    • 多列寻址模式存储器系统,包括集成电路存储器件
    • US20060072366A1
    • 2006-04-06
    • US10955193
    • 2004-09-30
    • Frederick WareLawrence LaiChad BellowsWayne Richardson
    • Frederick WareLawrence LaiChad BellowsWayne Richardson
    • G11C8/00
    • G11C8/10G11C8/12G11C8/16
    • A memory system includes a master device, such as a graphics controller or processor, and an integrated circuit memory device operable in a dual column addressing mode. The integrated circuit memory device includes an interface and column decoder to access a row of storage cells or a page in a memory bank. During a first mode of operation, a first row of storage cells in a first memory bank is accessible in response to a first column address. During a second mode of operation, a first plurality of storage cells in the first row of storage cells is accessible in response to a second column address during a column cycle time interval. A second plurality of storage cells in the first row of storage cells is accessible in response to a third column address during the column cycle time interval. During a third mode of operation, a first plurality of storage cells in a first row of storage cells in a first memory bank is accessible in response to a first column address. A second plurality of storage cells in a second row of storage cells in a second bank is accessible in response to a second column address. A third plurality of storage cells in the first row of storage cells is accessible in response to a third column address and a fourth plurality of storage cells in the second row of storage cells is accessible in response to a fourth column address. The first and second column addresses are in a first request packet and the third and fourth column addresses are in a second request packet provided by the master device.
    • 存储器系统包括主设备,诸如图形控制器或处理器,以及以双列寻址模式可操作的集成电路存储器件。 集成电路存储器件包括一个接口和列解码器,以访问一行存储单元或存储体中的一页。 在第一操作模式期间,响应于第一列地址可访问第一存储体中的第一行存储单元。 在第二操作模式期间,响应于列周期时间间隔期间的第二列地址,可访问第一行存储单元中的第一多个存储单元。 响应于列周期时间间隔期间的第三列地址,可访问第一行存储单元中的第二多个存储单元。 在第三操作模式期间,响应于第一列地址可访问第一存储体中的第一行存储单元中的第一多个存储单元。 响应于第二列地址,可访问第二存储体中第二行存储单元中的第二多个存储单元。 第一行存储单元中的第三多个存储单元响应于第三列地址而可访问,并且第二行存储单元中的第四多个存储单元响应于第四列地址而可访问。 第一列地址和第二列地址在第一请求分组中,并且第三和第四列地址在由主设备提供的第二请求分组中。